PESTS AND DISEASES IN PLANTATIONS OF TEAK (Tectona grandis L.F) IN THE BALZAR ZONE, GUAYAS PROVINCE
It was diagnosed the pest and diseases in Tectona grandis L.F (Teak) plantations in the area of Balzar, Guayas province. The objectives were to collect and to identify the insects plagues and the causal agents of illnesses that are present in the Teak plantations, to determine the level of incidence...
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| מחברים אחרים: | , |
| פורמט: | article |
| שפה: | eng |
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2010
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| גישה מקוונת: | https://revistas.uteq.edu.ec/index.php/cyt/article/view/88 |
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הוספת תג
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הוספת תג | סיכום: | It was diagnosed the pest and diseases in Tectona grandis L.F (Teak) plantations in the area of Balzar, Guayas province. The objectives were to collect and to identify the insects plagues and the causal agents of illnesses that are present in the Teak plantations, to determine the level of incidence and severity of the fitosanitary problems. They were carried out samplings at random by means of journeys in transepts and parcels of 500 m2 distributed according to the surfaces of the country properties settled down. The insects were collected in dry and rainy season during six months. The pest and diseases of more incidence and severity were: Hyadaphis erysimi and Hortensia similis (Homoptera); and Colletotrichum sp., Olivea tectonae and Ceratocystis sp. in rainy season. Atta sp. (Hymenoptera), Hemileuca maia Drury and Scolytus sp. (Coleoptera); and Olivea tectonae in dry season. |
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